China Gold Supplier for Samarium Cobalt Disc Magnet - Rectangle Samarium Cobalt Magnet – Horizon

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China Gold Supplier for Samarium Cobalt Disc Magnet - Rectangle Samarium Cobalt Magnet – Horizon Detail:

Rectangle Samarium Cobalt magnet, Samarium Cobalt magnet block or SmCo rectangular magnet is a common type of block shaped SmCo magnet. The block SmCo magnet has a widely application in high quality electric motors, sensors, ignition coils, magnetic pump couplings, etc, due to its specific features as follows:

1.High magnetic values with Br high to 11.7 kG (1.17 T) and (BH)max high to 35 MGOe (275 kJ/m3)

2.High working temperature with maximum working temperature high to 250 ºC ~ 350 ºC

3.Outstanding thermal stability with reversible temperature coefficient low to -0.03 %/ºC for Br and -0.2%/ºC for Hcj

4.Excellent corrosion resistance and then no surface treatment required, especially in the high corrosion working environment

5.Excellent demagnetization resistance because of Hcj higher than 25 kOe (1990 kA/m)

Generally several pieces of rectangle SmCo magnets are sliced via the inner circle cutting from a rectangular magnet block directly. If it is a thin block SmCo magnet and the quantity is large, the multi-wire cutting machine is used to save machining cost, increase the machining efficiency, reduce magnet material waste so as to ensure better price for customers. If the dimension of one or two directions is large, for example >60 mm, it should need grinding and EDM (electrical discharge machining), due to the limits of the inner circle slicing machine. If all three directions are too large, only grinding is needed.

There is some limit about size requirement for rectangle SmCo magnets with following specification:

Normal size range: L (Length): 1 ~ 160 mm, W (Width): 0.4 ~ 90 mm, T (Thickness): 0.4 ~ 100 mm

Maximum size: Rectangular: L160 x W60 x T50 mm, Square: L90 x W90 x T60 mm

Minimum size: L1 x W1 x T0.4 mm

Orientation direction size: Lower than 80 mm

Tolerance: Generally +/-0.1 mm, Particularly +/-0.03 mm

If customers prefer the dimension of one direction to be large, the other two directions have to be narrowed accordingly. If two directions are large, too thin thickness is not allowed, because SmCo magnet is too brittle and it’s easy to fracture during machining and assembling.


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Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for China Gold Supplier for Samarium Cobalt Disc Magnet - Rectangle Samarium Cobalt Magnet – Horizon, The product will supply to all over the world, such as: Estonia, Provence, Seattle, If you are for any reason unsure which product to select, do not hesitate to contact us and we are going to be delighted to advise and assist you. This way we are going to be providing you with all the knowledge needed to make the best choice. Our company strictly follows "Survive by good quality, Develop by keeping good credit. " operation policy. Welcome all the clients old and new to visit our company and talk about the business. We have been looking for more and more customers to create the glorious future.
  • The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Mary from Yemen - 2017.11.29 11:09
    We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By John biddlestone from Sri Lanka - 2017.10.13 10:47